Sub-Route A: i to iv

Sub-Route A (i)

Leave SH1 at Bombay/Collision Crossroads, take Pukekohe road, then the Tuakau turnoff.
(Alternatively, leave SH1 at Pokeno, for Tuakau). Then follow the signs, to Port Waikato.
After visiting Port Waikato, head south, to Limestone Downs, then via Te Akau, to Dunmore then Waingaro,
to Ngaruawahia. Alternatively, from Waingaro, follow the signs to SH23 and Raglan, and then return to
Sub-route A (ii), at Whatawhata.

Your selection of caves, and adventures, from the free Ruakuri, to the original Waitomo Caves, to Lost World,
Blackwater, Pink Gumboot, and the Museum of Caves, etc. Also, several good scenic walks and tracks.

Kawhia:

Marakopa Falls:

Natural Bridge:

Waitomo:

Sub-Route A (iv)

Otorohanga, then via Old Te Kuiti Rd to Te Kuiti, then via SH30 and Waimiha Rd, to Ongarue, then Ongarue Back Rd, to Taumarunui.

Just south of Otorohanga, turn left, then immediately right, onto Old Te Kuiti Rd. After 7km, Mangarino Rd takes you to Te Kuiti.
At south end of Te Kuiti, turn left onto SH30. After about 17km, turn right, onto Waimiha Rd,
to Ongarue. At Ongarue, either return to SH4, or take Ongarue Back Rd, to Taumarunui.
These are very scenic roads, and follow the Main Trunk railway line, from Otorohanga to Taumarunui.

You can download a document file with all these routes for printing/saving.